//-rw - rw - r-- 1 cxq cxq    353 Jul  7 09:00 mycode.c
//- rw - rw - r-- 1 cxq cxq    281 Jul  5 21 : 24 mycode.cpp
//- rwxrwxr - x 1 cxq cxq 861216 Jul  8 18 : 42 mycode_static
//[cxq@VM - 4 - 10 - centos lesson7]$ gcc mycode.c - o mytest
//[cxq@VM - 4 - 10 - centos lesson7]$ ll
//total 864
//- rw - rw - r-- 1 cxq cxq    353 Jul  7 09 : 00 mycode.c
//- rw - rw - r-- 1 cxq cxq    281 Jul  5 21 : 24 mycode.cpp
//- rwxrwxr - x 1 cxq cxq 861216 Jul  8 18 : 42 mycode_static
//- rwxrwxr - x 1 cxq cxq   8360 Jul  8 19 : 04 mytest
//[cxq@VM - 4 - 10 - centos lesson7]$ file mytest
//mytest : ELF 64 - bit LSB executable, x86 - 64, version 1 (SYSV), dynamically linked(uses shared libs), for GNU / Linux 2.6.32, BuildID[sha1] = 61b8777fce07d5fb54a063d18fbcd75d286625e6, not stripped
//[cxq@VM - 4 - 10 - centos lesson7]$ ll
//total 864
//- rw - rw - r-- 1 cxq cxq    353 Jul  7 09 : 00 mycode.c
//- rw - rw - r-- 1 cxq cxq    281 Jul  5 21 : 24 mycode.cpp
//- rwxrwxr - x 1 cxq cxq 861216 Jul  8 18 : 42 mycode_static
//- rwxrwxr - x 1 cxq cxq   8360 Jul  8 19 : 04 mytest
//[cxq@VM - 4 - 10 - centos lesson7]$ clear
//[cxq@VM - 4 - 10 - centos lesson7]$ ll
//total 864
//- rw - rw - r-- 1 cxq cxq    353 Jul  7 09 : 00 mycode.c
//- rw - rw - r-- 1 cxq cxq    281 Jul  5 21 : 24 mycode.cpp
//- rwxrwxr - x 1 cxq cxq 861216 Jul  8 18 : 42 mycode_static
//- rwxrwxr - x 1 cxq cxq   8360 Jul  8 19 : 04 mytest
//[cxq@VM - 4 - 10 - centos lesson7]$ rm - rf mycode_static
//[cxq@VM - 4 - 10 - centos lesson7]$ ll
//total 20
//- rw - rw - r-- 1 cxq cxq  353 Jul  7 09 : 00 mycode.c
//- rw - rw - r-- 1 cxq cxq  281 Jul  5 21 : 24 mycode.cpp
//- rwxrwxr - x 1 cxq cxq 8360 Jul  8 19 : 04 mytest
//[cxq@VM - 4 - 10 - centos lesson7]$ gcc mycode.c - o mytest - static - static
//[cxq@VM - 4 - 10 - centos lesson7]$ ll
//total 864
//- rw - rw - r-- 1 cxq cxq    353 Jul  7 09 : 00 mycode.c
//- rw - rw - r-- 1 cxq cxq    281 Jul  5 21 : 24 mycode.cpp
//- rwxrwxr - x 1 cxq cxq   8360 Jul  8 19 : 04 mytest
//- rwxrwxr - x 1 cxq cxq 861216 Jul  8 19 : 27 mytest - static
//[cxq@VM - 4 - 10 - centos lesson7]$ gcc mycode.c - o mytest - debug - g
//][cxq@VM - 4 - 10 - centos lesson7]$ ]ll
//- bash: ]ll: command not found
//[cxq@VM - 4 - 10 - centos lesson7]$ ll
//total 876
//- rw - rw - r-- 1 cxq cxq    353 Jul  7 09 : 00 mycode.c
//- rw - rw - r-- 1 cxq cxq    281 Jul  5 21 : 24 mycode.cpp
//- rwxrwxr - x 1 cxq cxq   8360 Jul  8 19 : 04 mytest
//- rwxrwxr - x 1 cxq cxq   9368 Jul  8 19 : 27 mytest - debug
//- rwxrwxr - x 1 cxq cxq 861216 Jul  8 19 : 27 mytest - static
//[cxq@VM - 4 - 10 - centos lesson7]$ gcc mycode.c - o mytest - debug - static - g - static
//[cxq@VM - 4 - 10 - centos lesson7]$ ll
//total 1720
//- rw - rw - r-- 1 cxq cxq    353 Jul  7 09 : 00 mycode.c
//- rw - rw - r-- 1 cxq cxq    281 Jul  5 21 : 24 mycode.cpp
//- rwxrwxr - x 1 cxq cxq   8360 Jul  8 19 : 04 mytest
//- rwxrwxr - x 1 cxq cxq   9368 Jul  8 19 : 27 mytest - debug
//- rwxrwxr - x 1 cxq cxq 862232 Jul  8 19 : 28 mytest - debug - static
//- rwxrwxr - x 1 cxq cxq 861216 Jul  8 19 : 27 mytest - static
